CVE-2026-20045 — Cisco Unified Communications Products Code Injection Vulnerability
2026-01-21 • CISA Known Exploited Vulnerability
[event] Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connection, and Cisco Webex Calling Dedicated Instance contain a code injection vulnerability that could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Cisco |
| Product | Unified Communications Manager |
| CWE | CWE-94 |
| CVE ID | CVE-2026-20045 |
| Date Added | 2026-01-21 |
| Due Date | 2026-02-11 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-02-11